Manufacturer Part Number
AD7147ACPZ-REEL
Manufacturer
Analog Devices
Introduction
High precision capacitance-to-digital converter for touch applications
Product Features and Performance
Capacitance-to-Digital Converter (CDC)
13 capacitance sensor inputs
16-bit resolution
250 kSPS sampling rate
SPI data interface
Single supply operation
Programmable sensitivity
Automatic environmental calibration
On-chip noise filtering
Selectable power modes
Product Advantages
High resolution touch sensing
Robust sensing capability in noisy environments
Minimal external components required
Low power consumption for battery-powered devices
Adaptive threshold and sensitivity for enhanced touch detection
Key Technical Parameters
13 Channels
16-bit resolution
250k samples per second
SPI interface
Supply voltage from 2.6V to 3.6V
Operating temperature from -40°C to 85°C
Quality and Safety Features
Built-in diagnostics for ongoing reliability
Safety features comply with industry standards
Compatibility
Compatible with a wide range of microcontrollers via SPI
Application Areas
Touchscreen controls
Proximity detection devices
Portable electronic devices
Industrial controls
Home appliances
Product Lifecycle
Product Status is Active
No indication of nearing discontinuation
Availability of replacements or upgrades likely
Several Key Reasons to Choose This Product
Highly sensitive and accurate for user interface improvement
Energy efficient for prolonged battery life
Durable design suitable for tough environmental conditions
Ease of use with automatic calibration features
Supports rapid development with evaluation tools from manufacturer
Versatile applicability across multiple industries
Reliable performance backed by Analog Devices' reputation